Cosmetic bag with a mirrored bottom



FIG. 1 is a front elevational view of a cosmetic bag with a mirrored bottom showing our new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a side elevational view thereof; and

FIG. 4 is a top plan view thereof. 

The ornamental design for a cosmetic bag with a mirrored bottom, substantially as shown. 